When the famous whistling caves fall silent and treasure goes missing from the castle on the cliffs, Scott, Jack, Emily and Drift the dog try to solve the mystery. When Scott and Jack Carter have to stay with their great aunt for the summer they steel themselves for the most boring holiday ever....

An investigation into a mysterious burglary plunges Scott, Jack, Emily and Drift the dog into a tangled web of blackmail, fraud and international art theft! When thieves raid the house of a neighbour, Emily, Jack and Scott are ready to investigate. But, strangely, the neighbour doesn\"t seem to want the thieves to be caught!...

An exciting action movie is being filmed in Castle Key, but then the glamorous star of the film vanishes! Scott, Jack, Emily and Drift the dog try to solve the mystery. When Scott , Jack and Emily hear that a film is being made at the nearby manor house they can\"t resist going to watch....

Jack, Scott, Emily and Drift the dog investigate the mysterious case of a spy in hiding in the tenth Adventure Island mystery. There\"s a new resident in Castle Key - and somebody is watching him! Scott, Jack, Emily and Drift soon suspect that the new resident is an enemy spy. It explains the bullet-proof glass in the windows of his house....

Jack discovers some papers at the old lighthouse that hint at buried gold! Scott, Jack, Emily and Drift the dog try to solve the mystery. A game of hide and seek in the old Castle Key lighthouse during a violent thunder storm leads to an amazing discovery - a tattered old treasure map!...

Action and adventure as Jack, Scott, Emily and Drift the dog uncover a monster mystery surrounding a dinosaur skeleton in the seventh in the Adventure Island series. When Scott, Jack and Emily stumble upon some bones in the quarry above Castle Key, they\"re convinced they\"ve discovered the gruesome remains of a murder victim!...

Enthralling children\"s fiction for everyone who loves Robin Steven\"s Murder Most Unladylike Mysteries and Frances Hardinge\"s The Lie Tree. Twelve mysteries. Twelve authors. One challenge: can YOU solve the crimes before the heroes of the stories?...

When Scott, Jack and Emily rescue a drowning man from the waves they are keen to hear his story, but their new friend can\'t remember his own name, let alone how he came to be stranded at sea! Who is the mystery man? Why did he come to Castle Key? And was his drowning an accident - or attempted murder?...